Transformation of low yield pomegranate

Strengthen soil management

In the summer, the tree boards are shaved. After the last time, a 20-cm-thick grass or wheat straw is covered on the tree plate. A small amount of soil is pressed on it and it is turned inward in the early spring of the following year. After harvesting, till the beginning of winter, the base fertilizer was applied by the ditch method, and the depth of the ditch was 30 to 35 cm. The quality of the farmyard manure was 3000 kg, the superphosphate 3 kg, and the compound fertilizer 2 kg. Before the emergence of flower buds, 0.5 kg of diammonium phosphate was applied to each plant, and 0.5 kg of peanut cake fertilizer, 2 kg of superphosphate, and 2 kg of ternary compound fertilizer were applied to each fruit during the fruit expansion period. Before spring budding and after top dressing, water was irrigated once.

Reasonable pruning

Most of the tree shape is a cluster of natural semi-circular, summer branching, pull branches and other methods to open the main branch angle 60 to 70 degrees. For the buddhist and auxiliary branches, take the branch and adjust the spatial position of the branches. During the fruit enlargement period, the branches of rubbing fruit and some of the leaves near the fruit were cut off. During the winter shearing period, the backbone stems and the large-result branch groups retracted to a robust site, leaving Mianwang branches to fill the space and eliminating dense branches. In the spring of the following year, excess shoots sprouted after reshuffling were promptly removed, and dense branches were removed.

Focus on flower and fruit management

At the beginning of flowering, spraying with 0.3% potassium dihydrogen phosphate, 300 times urea and 0.3% borax was sprayed every 10 days for a total of 2 to 3 injections. In the flower bud stage, in the middle and lower part of the Wangshu branch with less flowers, two rings are cut at intervals of 4 to 10 centimeters. Sparsely incomplete flowers and flower buds were removed in time, and fruits and fruit, late flowers, malformed fruits, and pests and diseases were promptly removed after fruit set. When the fruit diameter is about 2 cm, spray 1 insecticide fungicide, put on a 25 cm 20 cm plastic film bag, remove the bag when harvesting.

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